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ALSA: scarlett2: Add missing error checks to *_ctl_get()

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[ Upstream commit 50603a67da ]

The *_ctl_get() functions which call scarlett2_update_*() were not
checking the return value. Fix to check the return value and pass to
the caller.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Fixes: 9e4d5c1be2 ("ALSA: usb-audio: Scarlett Gen 2 mixer interface")
Link: https://lore.kernel.org/r/32a5fdc83b05fa74e0fcdd672fbf71d75c5f0a6d.1703001053.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Geoffrey D. Bennett 2023-12-20 04:07:37 +10:30 committed by Greg Kroah-Hartman
parent 12023666f2
commit 3a09488f4f
1 changed files with 137 additions and 59 deletions
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196
sound/usb/mixer_scarlett_gen2.c
View file

@ -1674,14 +1674,20 @@ static int scarlett2_sync_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->sync_updated)
scarlett2_update_sync(mixer);
ucontrol->value.enumerated.item[0] = private->sync;
mutex_unlock(&private->data_mutex);
return 0;
if (private->sync_updated) {
err = scarlett2_update_sync(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.enumerated.item[0] = private->sync;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static const struct snd_kcontrol_new scarlett2_sync_ctl = {
@ -1764,14 +1770,20 @@ static int scarlett2_master_volume_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->vol_updated)
scarlett2_update_volumes(mixer);
mutex_unlock(&private->data_mutex);
if (private->vol_updated) {
err = scarlett2_update_volumes(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] = private->master_vol;
return 0;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int line_out_remap(struct scarlett2_data *private, int index)
@ -1797,14 +1809,20 @@ static int scarlett2_volume_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int index = line_out_remap(private, elem->control);
int err = 0;
mutex_lock(&private->data_mutex);
if (private->vol_updated)
scarlett2_update_volumes(mixer);
mutex_unlock(&private->data_mutex);
if (private->vol_updated) {
err = scarlett2_update_volumes(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] = private->vol[index];
return 0;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_volume_ctl_put(struct snd_kcontrol *kctl,
@ -1871,14 +1889,20 @@ static int scarlett2_mute_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int index = line_out_remap(private, elem->control);
int err = 0;
mutex_lock(&private->data_mutex);
if (private->vol_updated)
scarlett2_update_volumes(mixer);
mutex_unlock(&private->data_mutex);
if (private->vol_updated) {
err = scarlett2_update_volumes(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] = private->mute_switch[index];
return 0;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_mute_ctl_put(struct snd_kcontrol *kctl,
@ -2124,14 +2148,20 @@ static int scarlett2_level_enum_ctl_get(struct snd_kcontrol *kctl,
const struct scarlett2_device_info *info = private->info;
int index = elem->control + info->level_input_first;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->input_other_updated)
scarlett2_update_input_other(mixer);
ucontrol->value.enumerated.item[0] = private->level_switch[index];
mutex_unlock(&private->data_mutex);
return 0;
if (private->input_other_updated) {
err = scarlett2_update_input_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.enumerated.item[0] = private->level_switch[index];
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_level_enum_ctl_put(struct snd_kcontrol *kctl,
@ -2182,15 +2212,21 @@ static int scarlett2_pad_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->input_other_updated)
scarlett2_update_input_other(mixer);
if (private->input_other_updated) {
err = scarlett2_update_input_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] =
private->pad_switch[elem->control];
mutex_unlock(&private->data_mutex);
return 0;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_pad_ctl_put(struct snd_kcontrol *kctl,
@ -2240,14 +2276,20 @@ static int scarlett2_air_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->input_other_updated)
scarlett2_update_input_other(mixer);
ucontrol->value.integer.value[0] = private->air_switch[elem->control];
mutex_unlock(&private->data_mutex);
return 0;
if (private->input_other_updated) {
err = scarlett2_update_input_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] = private->air_switch[elem->control];
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_air_ctl_put(struct snd_kcontrol *kctl,
@ -2297,15 +2339,21 @@ static int scarlett2_phantom_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->input_other_updated)
scarlett2_update_input_other(mixer);
if (private->input_other_updated) {
err = scarlett2_update_input_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] =
private->phantom_switch[elem->control];
mutex_unlock(&private->data_mutex);
return 0;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_phantom_ctl_put(struct snd_kcontrol *kctl,
@ -2477,14 +2525,20 @@ static int scarlett2_direct_monitor_ctl_get(
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = elem->head.mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->monitor_other_updated)
scarlett2_update_monitor_other(mixer);
ucontrol->value.enumerated.item[0] = private->direct_monitor_switch;
mutex_unlock(&private->data_mutex);
return 0;
if (private->monitor_other_updated) {
err = scarlett2_update_monitor_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.enumerated.item[0] = private->direct_monitor_switch;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_direct_monitor_ctl_put(
@ -2584,14 +2638,20 @@ static int scarlett2_speaker_switch_enum_ctl_get(
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->monitor_other_updated)
scarlett2_update_monitor_other(mixer);
ucontrol->value.enumerated.item[0] = private->speaker_switching_switch;
mutex_unlock(&private->data_mutex);
return 0;
if (private->monitor_other_updated) {
err = scarlett2_update_monitor_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.enumerated.item[0] = private->speaker_switching_switch;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
/* when speaker switching gets enabled, switch the main/alt speakers
@ -2739,14 +2799,20 @@ static int scarlett2_talkback_enum_ctl_get(
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->monitor_other_updated)
scarlett2_update_monitor_other(mixer);
ucontrol->value.enumerated.item[0] = private->talkback_switch;
mutex_unlock(&private->data_mutex);
return 0;
if (private->monitor_other_updated) {
err = scarlett2_update_monitor_other(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.enumerated.item[0] = private->talkback_switch;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_talkback_enum_ctl_put(
@ -2894,14 +2960,20 @@ static int scarlett2_dim_mute_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_elem_info *elem = kctl->private_data;
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int err = 0;
mutex_lock(&private->data_mutex);
if (private->vol_updated)
scarlett2_update_volumes(mixer);
mutex_unlock(&private->data_mutex);
if (private->vol_updated) {
err = scarlett2_update_volumes(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.integer.value[0] = private->dim_mute[elem->control];
return 0;
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_dim_mute_ctl_put(struct snd_kcontrol *kctl,
@ -3272,14 +3344,20 @@ static int scarlett2_mux_src_enum_ctl_get(struct snd_kcontrol *kctl,
struct usb_mixer_interface *mixer = elem->head.mixer;
struct scarlett2_data *private = mixer->private_data;
int index = line_out_remap(private, elem->control);
int err = 0;
mutex_lock(&private->data_mutex);
if (private->mux_updated)
scarlett2_usb_get_mux(mixer);
ucontrol->value.enumerated.item[0] = private->mux[index];
mutex_unlock(&private->data_mutex);
return 0;
if (private->mux_updated) {
err = scarlett2_usb_get_mux(mixer);
if (err < 0)
goto unlock;
}
ucontrol->value.enumerated.item[0] = private->mux[index];
unlock:
mutex_unlock(&private->data_mutex);
return err;
}
static int scarlett2_mux_src_enum_ctl_put(struct snd_kcontrol *kctl,